Home / 77,643,388,154.24-107,139,709,555.28-45,084,237,319.52

Finding the Fourth Proportional to 77,643,388,154.24, 107,139,709,555.28 and 45,084,237,319.52

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Solution

The fourth proportional to 77,643,388,154.24, 107,139,709,555.28 and 45,084,237,319.52 is: 62,211,505,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,643,388,154.24 : 107,139,709,555.28 = 45,084,237,319.52 : x
  2. Step 2: Convert to fraction form
    77,643,388,154.24/107,139,709,555.28 = 45,084,237,319.52/x
  3. Step 3: Cross multiply
    77,643,388,154.24x = 107,139,709,555.28 × 45,084,237,319.52
  4. Step 4: Simplify right side
    77,643,388,154.24x = 4,830,312,091,934,688,018,432
  5. Step 5: Solve for x
    x = 4,830,312,091,934,688,018,432/77,643,388,154.24
  6. Step 6: Final answer
    x = 62,211,505,792.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.