Home / 153,382,666.84-211,673,303.48-90,712,486.92

Finding the Fourth Proportional to 153,382,666.84, 211,673,303.48 and 90,712,486.92

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Solution

The fourth proportional to 153,382,666.84, 211,673,303.48 and 90,712,486.92 is: 125,186,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,666.84 : 211,673,303.48 = 90,712,486.92 : x
  2. Step 2: Convert to fraction form
    153,382,666.84/211,673,303.48 = 90,712,486.92/x
  3. Step 3: Cross multiply
    153,382,666.84x = 211,673,303.48 × 90,712,486.92
  4. Step 4: Simplify right side
    153,382,666.84x = 19,201,411,773,242,688
  5. Step 5: Solve for x
    x = 19,201,411,773,242,688/153,382,666.84
  6. Step 6: Final answer
    x = 125,186,321.04

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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.