Home / 243,807,279.60-336,358,264.32-139,329,300

Finding the Fourth Proportional to 243,807,279.60, 336,358,264.32 and 139,329,300

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Solution

The fourth proportional to 243,807,279.60, 336,358,264.32 and 139,329,300 is: 192,219,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,807,279.60 : 336,358,264.32 = 139,329,300 : x
  2. Step 2: Convert to fraction form
    243,807,279.60/336,358,264.32 = 139,329,300/x
  3. Step 3: Cross multiply
    243,807,279.60x = 336,358,264.32 × 139,329,300
  4. Step 4: Simplify right side
    243,807,279.60x = 46,864,561,516,920,576
  5. Step 5: Solve for x
    x = 46,864,561,516,920,576/243,807,279.60
  6. Step 6: Final answer
    x = 192,219,697.43

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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.