Home / 153,366,113.94-211,663,398.69-86,387,276.58

Finding the Fourth Proportional to 153,366,113.94, 211,663,398.69 and 86,387,276.58

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Solution

The fourth proportional to 153,366,113.94, 211,663,398.69 and 86,387,276.58 is: 119,224,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,366,113.94 : 211,663,398.69 = 86,387,276.58 : x
  2. Step 2: Convert to fraction form
    153,366,113.94/211,663,398.69 = 86,387,276.58/x
  3. Step 3: Cross multiply
    153,366,113.94x = 211,663,398.69 × 86,387,276.58
  4. Step 4: Simplify right side
    153,366,113.94x = 18,285,024,564,495,840
  5. Step 5: Solve for x
    x = 18,285,024,564,495,840/153,366,113.94
  6. Step 6: Final answer
    x = 119,224,671.57

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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.